Can someone please explain how to do this along with the answer A sequence is defined by the recursive formula f (n + 1) = f(n) – 2. If f(1) = 18, what is f(5)?

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse